Hayrapetyan, A.H., S.E. Bolotov, G.A. Gevorgyan, and B.K. Gabrielyan. “INVESTIGATION OF DIFFERENT ENVIRONMENTAL FACTORS ROLE IN THE FORMATION OF ZOOPLANKTON COMMUNITY IN THE ARPA RIVER (ARMENIA) AND ITS MAIN TRIBUTARIES”. Proceedings of the YSU B: Chemical and Biological Sciences 50, no. 3 (241) (November 21, 2016): 53–59. Accessed November 14, 2024. https://pub.ysu.am/index.php/proceedings-chem-biol/article/view/vol50_no3_2016_pp053-059.